An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 356
normalize
  هنجاروریدن، هنجارور کردن   
hanjârvaridan, hanjârvar kardan

Fr.: normaliser   

To change in scale so that the sum of squares, or the integral of the square, of the transformed quantity is unity.

normal + → -ize.

normalized
  هنجاروریده، هنجارور شده   
hanjârvaridé, hanjârver šodé

Fr.: normalisé   

The quality of something that has undergone → normalization.

P.p. of → normalize.

normalized Hubble parameter
  پارامون ِ هابل ِ هنجاروریده   
pârâmun-e Hubble-e hanjârvaridé

Fr.: paramètre Hubble normalisé   

A dimensionless parameter expressed by h(z) = H(z)/H0, where H(z) is the → Hubble parameter at → redshift z and H0 is the → Hubble constant.

normalized; → Hubble; → parameter.

north
  هودر   
hudar

Fr.: nord   

The cardinal point at which the meridian cuts the horizon below the north celestial pole.

M.E., O.E. norð, from P.Gmc. *nurtha- (cf. O.N. norðr, M.Du. nort, Du. noord, Ger. nord), ultimately from PIE *ner- "left, below."

Note: North is related to left since it is to the left when one faces the rising Sun. This occurs in, for example, the etymology of E. north, as above. The same goes for Ar. shimal, which also means "left."
Hudar, from hu(y), from Mid.Pers. hôy "left, left hand," from Av. haoiia- "left" (cf. Skt. savyá- "left hand;" O.C.S. šuji; Rus. šuj; Welsh aswy; PIE *seujos) + -dar, from -tar direction suffix, as in Mid.Pers. ošastar "east" (Av. ušastara- "easthern"), dôšastar "west" (Av. daôšatara-, daôšastara- "western"), abâxtar "north" (Av. apāxtara- "northern"), Mod.Pers. bâxtar, → west.

North America Nebula
  میغ ِ آمریکای ِ هودری   
miq-e Âmrikâ-ye hudari

Fr.: Nébuleuse de l'Amérique du Nord   

An → H II region in → Cygnus, also known as NGC 7000, resembling the continent North America in long exposure images. This nebula is lying three degrees from bright star → Deneb and spans on the sky over four times the angular size of the full Moon. A dark lane separates the North America Nebula from the → Pelican Nebula, actually part of the same enormous cloud some 2,000 → light-years away.

It was first photographed in 1890 by Max Wolf (1863-1932), a German astronomer, who also first called it the North America Nebula because of its resemblance to the Earth's continent. America, from the feminine of Americus, the Latinized first name of the explorer Amerigo Vespucci (1454-1512), who made two trips to the New World as a navigator and claimed to have discovered it. The name America first appeared on a map in 1507 by the German cartographer Martin Waldseemüller, referring to the area now called Brazil; → nebula.

North Polar Spur
  شخاک ِ کهکشانی ِ هودری   
šaxâk-e kahkešâni-ye hudari

Fr.: éperon galactique nord   

One of the largest coherent structures in the radio sky, projecting from the → Galactic plane at → Galactic longitudel ~ 20° and extending to a very high → Galactic latitudeb ~ +80°. It was first identified in low frequency → radio surveys in the 1950s. The spur is also prominent in → soft X-rays. Its origins and nature have long been debated. However, what causes this phenomena is not well understood. It may be due to a combination of → OB associations and → supernova explosions.

north; → polar; → spur.

north pole
  قطب ِ هودر   
qotb-e hudar

Fr.: pôle nord   

1) An → imaginary → point in the → northern hemisphere representing the intersection of the → Earth's → rotation axis with the → globe or with the → celestial sphere.
2) For a → magnet, the pole which points toward the geographic north.
3) In a → magnetic field, the point from where a → line of force is leaves for the → south pole.

north; → pole.

northern
  هودری   
hudari

Fr.: nord   

1) Lying toward or situated in the → north.
2) North of the → celestial equator or of the → zodiac.

M.E., from O.E. norþerna, norðerne "northern," from norð "northern" + + -erne, suffix denoting direction

Hudari, relating to hudar, → north.

Northern Cross
  چلیپای ِ هودری   
calipâ-ye hudari

Fr.: Croix du Nord   

An arrangement of stars in the form of a cross in the constellation → Cygnus.

north; → cross.

northern hemisphere
  نیم‌سپهر ِ هودری   
nimsepehr-e hudari

Fr.: hémisphère nord   

The half of the → Earth or another → astronomical object between the → north pole and the → equator.

northern; → hemisphere.

nose
  ۱) دماغ، بینی؛ ۲) دماغه   
1) damâq (#), bini (#); 2) damâqé (#)

Fr.: nez   

1) The part projecting above the mouth serving as the organ of breathing and smelling.
2) Something like a nose in shape or position, especially the front end of an → aircraft. See also → nozzle.

M.E.; O.E. nosu (O.N. nös; Du. neus; O.H.G. nasa; Ger. Nase); PIE root *nas- "nose;" cf. Skt. nasa; O.Pers. naham; L. nasus; O.C.S. nasu; Lith. nosis.

1) Damâq, ultimately from Proto-Ir. *damaka-, from *damH- "to breathe, to blow;" cf. Pers. dam-, damidan "to breathe, to blow;" Av. dāδmainya- "blowing up;" cf. Skt. dahm- "to blow," dhámati "blows;" Gk. themeros "austere, dark-looking;" Lith. dumti "to blow;" PIE dhem-/dhemə- "to smoke, to blow."
Bini "nose;" Mid.Pers. wênig "nose" (Av. vaēna- "nose"), related to wên "breath;" cognate with jân "vital spirit, soul," → animate.
2) Damâqé, from damâq + nunace suffix .

not
  نه، نا، نی   
na, nâ, ni

Fr.: non; ne ... pas   

A → particle used to express → negation, → denial, refusal, or prohibition.

Not, variant of noht, naht "in no way," from O.E. nawiht "nothing" (from na "no, never" + whit "whit"), akin to Pers. na, nâ, as below.

Na "no, not," variants nâ, ni,ma- (prohibitive) "not;" from Mid.Pers. nê, ma "no, not;" O.Pers. naiy, nai "not;" Av. nôit, naē "not;" cf. Skt. "not;" cf. L. ne-, in-, un-; Gk. ni; Lith. ; O.C.S. ne "not;" E. not, as above; PIE *ne-.

notation
  نمادگان   
namâdgân (#)

Fr.: notation   

Representation of numbers, quantities, or other entities by symbols; a system of symbols for such a purpose.

From L. notationem (nom. notatio) "a marking, explanation," from notatus, p.p. of notare "to note."

Namâdgân, from namâd, → symbol, + -gân suffix denoting order, organization, multiplicity.

note
  نت   
not (#)

Fr.: note   

Musical sound of specified frequency (pitch) produced by a musical instrument, voice, etc.

From M.E., from O.F., from M.L. nota "sign for musical tone; mark, sign, lettering."

Not, loanword from Fr.

nothing
  هیچ   
hic (#)

Fr.: rien   

1) No thing; not anything; naught.
2) Nonexistence; nothingness.

M.E., from O.E. nathing, nathinc, from nan "not one," → non-, + → thing.

Mid.Pers. hêc, hêc(i), hâca "any."

notion
  پنداره   
pendâré (#)

Fr.: notion   

A general understanding; vague or imperfect conception or idea of something.

From L. notio "concept, conception, idea," from noscere "to know," → knowledge.

Pendâré, noun from pendâštan "to imagine, consider, think," → imaginary number.

noun
  نامواز   
nâmvâz

Fr.: nom   

A word or group of words that refers to a person, place, or thing or any syntactically similar word (Collins).

M.E. nowne; O.Fr. nom, non, from Latin nomen "name, noun," → name.

Nâmvâz "noun," from nâm, → name, + vâz "word," variants vâž, âvâz, vâj, vât, vâ, → voice.

nourish
  فاریدن   
fâridan

Fr.: nourrir   

1) To sustain with food or nutriment; supply with what is necessary for life, health, and growth; feed.
2) To strengthen, build up, or promote (Dictionary.com).

M.E., from O.Fr. norriss-, stem of norrir "raise, bring up, nurture, foster; maintain, provide for," from L. nutrire "to feed, nurse, foster, support, preserve," from *nutri, older form of nutrix "nurse,") literally "she who gives suck."

Fâridan, from the Fârs province dialects Sivandi fâr- and Xori fôr- "to eat," probably development of Proto-Ir. *hu- "to eat" (Av. xvar-, Pers. xordan, → feed) to f-, also Tajiki furt-, fə- "to gulp, swallow," maybe from a separate root (Cheung 2007).

nourishment
  فارمان   
fârmân

Fr.: nourriture   

1) Something that nourishes; food, nutriment, or sustenance.
2) The act of nourishing. The state of being nourished (Dictionary.com).

M.E. norysshement, from M.Fr. norissement, → nourish, → -ment.

Fârmân, noun from fâridan (like sâzmân, sâxtemân, câymân, râžmân, and others).

nova
  نو‌اختر   
now-axtar (#)

Fr.: nova   

A star that experiences a sudden increase in luminosity, by a s much as 106. The outburst ejects a shell of matter but does not disrupt the star.

Nova, from L. stella nova "new star," from stellastar + nova, fem. of novusnew.

Now-axtar "new star," from now, → new, + axtar, → astro-.

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